81489429 (number)

81489429 is an odd 8-digits composite number following 81489428 and preceding 81489430. In scientific notation, it is written as 8.1489429 × 10^7. The sum of its digits is 45. It has a total of 5 prime factors and 32 positive divisors. There are 44089920 positive integers (up to 81489429) that are relatively prime to 81489429.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred eighty-nine thousand four hundred twenty-nine

Notation

Scientific notation 8.1489429 × 10^7
Engineering notation 8.1489429 × 10^6

Prime Factorization of 81489429

Prime Factorization 9 × 21 × 43 × 37 × 271

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 81489429
Product of the distinct prime numbers

The prime factorization of 81489429 is 9 × 21 × 43 × 37 × 271. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 7, 32, 71, 773, 603, 5730, 3153, 46348, 93792, 909681, 831068, 2996208, 5060466, 12308996, 61182033, 653918529, 170038809, 4470739181, 5176662236

Basic calculations (n = 81489429)

Multiplication

n×y
n×2 162978858
n×3 244468287
n×4 325957716
n×5 407447145

Division

n÷y
n÷2 40744714.5
n÷3 27163143
n÷3 20372357.25
n÷5 16297885.8

Exponentiation

ny
n2 6640527038746041
n3 5.4113275664648E+23
n4 4.4096599352317E+31
n5 3.5934067020621E+39

Nth Root

y√n
2√n 9027.1495501072
3√n 433.5445770182
4√n 95.011312748047
5√n 38.213802519659

Divisors of 81489429

1, 9, 21, 37, 43, 189, 271, 333, 387, 777, 903, 1591, 2439, 5691, 6993, 8127, 10027, 11653, 14319, 33411, 51219, 90243, 104877, 210567, 244713, 300699, 431161, 1895103, 2202417, 3880449, 9054381, 81489429

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81489428
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81489429 can be divided by 32 positive divisors. The sum of these divisors (counting 81489429) is 1, the average is 0.03125.

Base conversion 81489429

Base System Value
2 Binary 100110110110110111000010101
3 Ternary 12200100002111000
4 Quaternary 10312312320111
5 Quinary 131330130204
6 Senary 12030333513
8 Octal 466667025
10 Decimal 81489429
12 Duodecimal 2335a299
16 Hexadecimal 4db6e15
20 Vigesimal 15963b9
36 Base36 1ciln9

Cryptographic Hash Functions

md5 295fc0991bb5328e35b3ac02cf0b08e9
sha1 83e3f562609933094b813e09d67ce2194a720cea
sha256 b498b29e97d6d7d22e2bbf32907a09b9b7c0357228be14187e3a5645c961a00d
sha512 32a992a809e2f60f121564f239890c605d2002821771b5eab0a385748262303b5bd5c81654f56497a8dbb2e76b56d740da76e206dc73dc682bc909bbd8e9b682
ripemd-160 e6e71e008ab4453b276e8c75ab2ca22fe01271f0

81489429 as geometric shapes

Circle

Radius = n
Diameter 162978858
Circumference 512013182.98325
Area 2.0861830960889E+16

Sphere

Radius = n
Volume 2.2666915905298E+24
Surface area 8.3447323843556E+16
Circumference 512013182.98325

Square

Length = n
Perimeter 325957716
Area 6640527038746041
Diagonal 115243455.68184

Cube

Length = n
Surface area 39843162232476246
Volume 5.4113275664648E+23
Space diagonal 141143831.30778

Equilateral Triangle

Length = n
Perimeter 244468287
Area 2.8754325550358E+15
Altitude 70571915.653888

Triangular Pyramid

Length = n
Surface area 2.8754325550358E+15
Volume 6.3773106957815E+22
Height 38414485.22728